Space pirate Elsie gives Shiki the warship he needs to continue his quest to find Mother. Little did he know, the ship belonged to the Demon King Ziggy! Once aboard, Shiki and the crew meet Witch, one of the Demon King's Four Shining Stars, who welcomes Shiki as the new Demon King. When the group ends up at planet Blue Garden while chasing the remaining Shining Stars, they are swept up in a heinous plot to kidnap B-Cubers! However, in the shadows lurks a chaos beyond anything Shiki and his friends could have ever imagined...